Articles tagged with Psychiatry
A new study published in Biological Psychiatry examined the role of GABA receptors in anxiety disorders, revealing that inserting GABA receptors into neurons in the amygdala increases inhibition and prevents fear extinction. This discovery provides evidence for molecular mechanisms behind cognitive and behavioral therapies.
Researchers found that trauma history, not endurance, influences ability to dampen emotional responses. Resilient individuals enhance emotional brain circuitry, suggesting a key strategy for trauma recovery.
Researchers have identified childhood risk factors for developing substance use disorders, including increased body sway and reduced P300 amplitude. These early markers can help predict an individual's likelihood of developing a substance use disorder by young adulthood.
A new study suggests that maternal smoking during pregnancy may increase newborns' distress levels, potentially related to reduced monoamine oxidase A (MAO-A) activity. This reduction in MAO-A activity can lead to dysregulation of brain neurotransmission, creating a potential vulnerability to behavioral disorders later in life.
The Journal of the American Academy of Child and Adolescent Psychiatry will be published by Elsevier starting with Volume 49, Number 1 in January 2010. The journal aims to extend its reach and support translation of scientific discovery into improved patient care.
A new study published in The Journal of Urology found a significant association between psychiatric disorders, sexual trauma, and lower urinary tract symptoms (LUTS) in women. Women with psychiatric comorbidities and history of sexual trauma were more likely to experience LUTS such as incontinence and overactive bladder.
A new study from the University of Cincinnati College of Law has shown that a group of psychiatrists who evaluated mental competence from case files performed at a strikingly high level of accuracy. In an average of 29 out of every 30 cases, the psychiatrists could distinguish competent defendants from incompetent defendants.
A Mediterranean diet rich in fruits, nuts, and fish has been associated with a reduced risk of depression. The study found that individuals who closely followed the diet had a greater than 30 percent reduction in depression risk compared to those who did not adhere to it.
Repeated suicide attempts in older women increase risk of completed suicide, while severe attempts in men do the same. The study highlights the importance of observation and treatment for vulnerable populations.
The University of North Carolina has been awarded a $8.6 million NIH grant to investigate the complex factors contributing to psychiatric disorders such as autism, depression, and anxiety. By using laboratory mice to screen genetic possibilities, researchers aim to understand how genes and environment interact to shape these traits.
A major study into adults living with autism has found that one in every hundred adults in England has the condition, similar to child prevalence rates. The study also reveals distinct characteristics of individuals with autism, including employment status and housing type.
A recent study published in General Hospital Psychiatry found that depressive symptoms and antidepressant treatment are associated with fetal growth changes, shorter gestations, and neonatal irritability. The research highlights the need for pregnant women to receive adequate care and support to mitigate these risks.
Researchers found that male juvenile delinquents often misinterpret facial expressions of disgust as anger, leading to a more intense emotional response and aggressive behavior. This bias towards misrecognizing others' emotions could result in delinquents perceiving situations as hostile.
In a preliminary study, intravenous ketamine was found to acutely reduce suicidal thoughts in treatment-resistant depression patients. The reduction in suicidality was maintained when patients received repeated doses over two weeks, suggesting potential as an attractive treatment option for high-risk suicidal patients.
Researchers at UAB are investigating genetic factors that contribute to suicidal behavior, focusing on the role of serotonin 2C and ADAR proteins. The study aims to develop diagnostic tests that can identify individuals at high risk of suicide and tailor therapies accordingly.
A new study published in the Journal of Child Psychology and Psychiatry found that up to 15 percent of preschoolers have atypically high levels of depression and anxiety. The investigation also revealed that children with atypically high depression and anxiety levels are more likely to have mothers with a history of depression.
A study published in BMC Psychiatry found that lesbian, gay, and bisexual individuals are twice as likely to receive mental health treatment as heterosexuals. The researchers attribute this disparity to higher exposure to discrimination and violence, as well as societal pathologizing of homosexuality.
A recent study published in Biological Psychiatry found that hormone levels play a crucial role in stress resilience among military combat divers. Soldiers with higher dehydroepiandrosterone (DHEA) levels performed better during stressful underwater navigation exercises.
Research suggests preschool depression is a continuous, chronic condition that increases the likelihood of subsequent depression and psychiatric disorders. Early intervention during the preschool period may be crucial in addressing childhood major depressive disorder.
Researchers have found similarities between brain activity during lucid dreaming and psychosis, suggesting dream therapy could be useful in treating psychiatric conditions. Dissociation, a state of losing conscious control, is common in both lucid dreaming and certain psychiatric disorders.
A new definition of major depressive disorder (MDD) suggests that only mood and cognitive symptoms are included, excluding somatic criteria. This revised definition was found to be highly concordant with the current version in a large sample of psychiatric outpatients, offering benefits such as reduced time needed for assessment and sh...
A 20-year study found that impulsive boys with inadequate supervision and poor families are more likely to commit criminal acts. The study also revealed that the juvenile justice system's help increased the risk of early adulthood crime, especially among those with similar histories without judicial involvement.
A study of 231 men found that only 1% of child pornography consumers went on to commit a hands-on sex offense. The researchers suggest that the motivation and recidivism rates differ between child pornography consumption and physical assault.
Brown University political scientist Ross Cheit disputes a 2006 Harvard University psychiatric contest on repressed memory, arguing that the methodology was flawed and no data correction was issued after discovering a pre-1800 literary example fulfilling the criteria
A family history of depression, anxiety, or substance dependence is associated with the presence and progression of psychiatric disorders. The study found that family history was linked to worse impairment, greater service use, and a recurrent course for all four disorders.
A recent study supports multiple genetic contributions to schizophrenia and bipolar disorder, explaining at least a third of the risk of inheriting these diseases. The research found common genetic variants associated with both conditions.
Researchers have discovered a novel approach for treating cognitive impairments associated with schizophrenia by preventing the inactivation of D-serine. This method enhances the efficacy of D-serine, a previously used treatment, and may lead to improved therapeutic outcomes.
A new study found that fetal exposure to influenza B virus may lead to cognitive problems at age 7 among children later diagnosed with psychosis. The association was not observed in children who did not develop psychotic disorders.
A new review published in the British Journal of Psychiatry reveals widespread inequalities in medical care for individuals with mental health conditions. Despite similar or more frequent medical contacts, those with pre-existing mental health problems often receive poorer quality care.
Danish children who move frequently are at a higher risk of attempting or completing suicide between ages 11 and 17. Frequent moves disrupt social connections, cause stress and anxiety, affecting their mental health.
A Finnish study found that low glycogen levels predict forthcoming violent offending among antisocial male offenders. Low glycogen stores may contribute to impulsive violent behavior during alcohol intoxications.
A nationwide study found filicide offenders have fewer previous criminal offenses and are more likely to be employed than homicidal controls, contradicting the idea that they are mentally disordered. They also exhibit emotional problems and suicidal behavior, highlighting the need for adequate support.
A new clinical discussion tool, GAIN, has been developed to help physicians discuss potential reasons for using long-acting injectable antipsychotic therapies with patients. The tool addresses barriers such as needle phobia and stigma, aiming to increase patient acceptance and adherence.
A recent study published in the Journal of Behavioral Health Services & Research found that Canadian men are reluctant to seek mental health services, with avoidance rates ranging from 20-70%. The primary cause cited is prejudice, which affects how men perceive their symptoms and social roles, leading to a reluctance to utilize services.
A Mayo Clinic study reveals that patients with bipolar disorder incur significantly higher specialty care costs compared to those with diabetes, depression, asthma, or coronary artery disease. Specialty care costs were especially high for bipolar patients, suggesting non-mental health provider-related expenses contribute to the disparity.
Researchers in Greenland found a strong correlation between the country's constant sunlight and an increase in suicides during the summer months. Most suicides occurred among young men, with violent methods accounting for 95% of cases.
Researchers led by Dr. Robert C. Young are conducting studies to investigate the effects of medications on older adults with bipolar depression, aiming to improve treatment outcomes. The studies focus on quetiapine and lamotrigine, and will help better manage care for geriatric bipolar patients.
A study highlights the need for an audit of UK services and greater links between healthcare professionals to ensure fair assessments. Mental health nurses receive no formal training for this role, raising concerns about the quality and objectiveness of parenting capacity assessments.
A magnetic resonance imaging study found that toddlers with autism tend to have an enlarged amygdala, a brain area associated with processing faces and emotion. This brain abnormality is also linked to improved joint attention ability in children with autism.
Research suggests that children who are consistently victimized by peers are more likely to develop psychotic symptoms in early adolescence. A study of over 6,400 participants found that chronic or severe peer victimization was associated with an increased risk of psychotic symptoms.
A new study challenges the idea that individuals with certain genotypes are predestined to negative life outcomes. Infants raised in small social groups were more likely to be aggressive and anxious, particularly those with a low activity MAOA genotype. However, no genotype effects were evident in monkeys reared in larger social cages.
A study found that microRNA miR-504 regulates the expression of the dopamine D1 receptor gene, increasing the risk of nicotine dependence. The research suggests a potential link between smoking risk genes and neurobiology of addiction.
A new study found that a novel compound decreases rats' preference for cocaine-associated environments during subsequent tests. This process is called extinction learning, where the brain creates new associations instead of retrieving old ones.
Researchers studied ICU patients with acute lung injury (ALI) and found that those with greater organ failure and higher benzodiazepine doses were more likely to experience depression after discharge. The study suggests that certain aspects of critical illness and ICU care may contribute to depression.
Researchers at UC San Diego School of Medicine have reviewed the neurobiology of wisdom, identifying key brain regions involved in its attributes such as empathy, compassion and emotional stability. The study suggests an optimal balance between primitive and pre-frontal cortex brain regions may enhance wisdom.
A study of 5,302 Finnish individuals found that childhood psychiatric problems were associated with later severe suicidality in males, particularly those with conduct, hyperactive, or emotional problems. In contrast, depression at age 8 was not linked to female suicidal behavior.
Scientists have made significant progress in understanding post-traumatic stress disorder (PTSD) by examining brain activity in soldiers with and without the condition. The study found that individuals with PTSD exhibit distinct brain patterns, particularly in areas responsible for emotion processing and sense of self.
Researchers are comparing two family-based therapies to treat adolescent anorexia nervosa. The Maudsley Approach involves supervised feeding and monitoring, while Family Systems Therapy focuses on family dynamics. Both approaches aim to break the vicious cycle of starvation and obsessive behavior.
Researchers found that naltrexone, an opiate receptor blocker, reduced the urges to steal and stealing behavior in individuals with kleptomania after eight weeks of treatment. The study suggests a potential link between kleptomania and substance addictions, highlighting the drug's efficacy in treating impulse control disorders.
Research links sleep disturbances to higher risk of suicidal thoughts, planning and attempts in adults. Scientists found a strong association between early morning awakening and increased likelihood of suicidal behaviors.
Researchers found that women with severe mental illness are more likely to have been abused in childhood than the general population, with a twofold increased risk compared to healthy women. In contrast, no such association was found in men.
A new study published in Biological Psychiatry found that modafinil can reduce weight gain associated with olanzapine treatment. The study showed that subjects receiving olanzapine and modafinil experienced less weight gain than those receiving only olanzapine.
A significant minority of therapists continue to offer treatments aimed at changing a person's sexual orientation, despite a lack of evidence supporting their effectiveness. The therapies, often rooted in moral and religious views, can be harmful and lead to increased stress for clients who are already discriminated against.
Researchers develop a novel approach to treating PTSD by selectively disrupting traumatic memories with a cortisol-blocking drug. The treatment's effectiveness is linked to the intensity of the initial trauma and can be administered shortly before recalling the memory.
Researchers at Children's National Medical Center and colleagues in Tokyo have achieved the first successful application of exon-skipping to curb Duchenne muscular dystrophy in dogs. The treatment uses synthetic DNA-like molecules called morpholinos to skip over mutated gene parts, showing promise for humans with this genetic disorder.
New study finds stress-related changes in brain structure may lead to depression-like behavior and PTSD. Researchers propose that restoring hippocampal synapses could provide immediate relief from depressive symptoms.
A study by Oregon Health & Science University found that patients requesting physician-assisted death cite concerns about future suffering as a leading motivator. The study surveyed 56 patients and ranked factors influencing their requests, highlighting the importance of symptom control and patient sense of control.
Children with childhood obsessive and compulsive symptoms are six times more likely to suffer from an obsessive-compulsive disorder (OCD) as adults, according to a new study. Researchers analyzed data from the Dunedin Study, which tracked participants' psychological variables from childhood to adulthood.
A study of 1,698 young adults found that those with post-traumatic stress disorder (PTSD) were more likely to attempt suicide than those exposed to traumatic events without developing PTSD. The researchers suggest that PTSD may be associated with an increased risk of suicidal behavior.
A Yale University study found varenicline significantly reduced heavy-drinking smokers' alcohol consumption and cravings. The drug also showed no adverse effects when combined with low doses of alcohol.